DUB - RNS

€68 Find Cheap Flights from Dublin to Rennes – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€161
Typical prices: €187-€342
KLM, Air France
Wed 12/12Thu 13/12
DUB - RNS • 1 stop
Cheapest one-way flight
€68
Typical prices: €142-€207
Multiple Airlines
Mon 10/12
DUB - RNS • 1 stop
When to travel
March
Cheapest • 33% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
London Gatwick (LGW)
Cheapest • Avg €227 (return)
Amsterdam Schiphol (AMS)
Shortest trip • 6h 28m (one-way)
Insights
Insights
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Cheap Flights from Dublin to Rennes (DUB-RNS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Rennes

Sat, 12 Dec - Sun, 13 Dec
Multiple Airlines Logo
08:50 - 17:40DUB  Dublin-RNS Rennes St Jacques
7h 50m1 stop Amsterdam Schiphol
Multiple Airlines Logo
11:05 - 22:55RNS  Rennes St Jacques-DUB Dublin
12h 50m1 stop Paris Charles de Gaulle
€161Multiple Airlines
Fri, 11 Dec - Sun, 13 Dec
Multiple Airlines Logo
08:50 - 16:15DUB  Dublin-RNS Rennes St Jacques
6h 25m1 stop Amsterdam Schiphol
Multiple Airlines Logo
11:05 - 22:55RNS  Rennes St Jacques-DUB Dublin
12h 50m1 stop Paris Charles de Gaulle
€167Multiple Airlines
Sat, 12 Dec - Sun, 13 Dec
KLM Logo
13:25 - 10:20DUB  Dublin-RNS Rennes St Jacques
19h 55m2 stops Amsterdam Schiphol Paris Charles de Gaulle
KLM Logo
18:10 - 12:40RNS  Rennes St Jacques-DUB Dublin
19h 30m1 stop Amsterdam Schiphol
€175KLM
Mon, 11 Jan - Fri, 15 Jan
KLM Logo
17:15 - 13:25DUB  Dublin-RNS Rennes St Jacques
19h 10m1 stop Amsterdam Schiphol
KLM Logo
13:55 - 22:15RNS  Rennes St Jacques-DUB Dublin
9h 20m1 stop Amsterdam Schiphol
€181KLM
Fri, 11 Dec - Sun, 13 Dec
Multiple Airlines Logo
13:25 - 10:20DUB  Dublin-RNS Rennes St Jacques
19h 55m2 stops Amsterdam Schiphol Paris Charles de Gaulle
Multiple Airlines Logo
11:05 - 18:25RNS  Rennes St Jacques-DUB Dublin
8h 20m1 stop Paris Charles de Gaulle
€182Multiple Airlines
Sat, 12 Dec - Sun, 13 Dec
Multiple Airlines Logo
08:50 - 17:40DUB  Dublin-RNS Rennes St Jacques
7h 50m1 stop Amsterdam Schiphol
Multiple Airlines Logo
11:05 - 14:10RNS  Rennes St Jacques-DUB Dublin
4h 05m1 stop Paris Charles de Gaulle
€183Multiple Airlines
Thu, 17 Dec - Sun, 20 Dec
Air France Logo
19:25 - 10:20DUB  Dublin-RNS Rennes St Jacques
13h 55m1 stop Paris Charles de Gaulle
Air France Logo
11:05 - 14:10RNS  Rennes St Jacques-DUB Dublin
4h 05m1 stop Paris Charles de Gaulle
€184Air France
Thu, 3 Dec - Sun, 6 Dec
KLM Logo
05:45 - 16:15DUB  Dublin-RNS Rennes St Jacques
9h 30m1 stop Amsterdam Schiphol
KLM Logo
18:10 - 08:05RNS  Rennes St Jacques-DUB Dublin
14h 55m1 stop Amsterdam Schiphol
€186KLM
Fri, 11 Dec - Sun, 13 Dec
KLM Logo
08:50 - 16:15DUB  Dublin-RNS Rennes St Jacques
6h 25m1 stop Amsterdam Schiphol
KLM Logo
18:10 - 12:40RNS  Rennes St Jacques-DUB Dublin
19h 30m1 stop Amsterdam Schiphol
€187KLM
Sun, 22 Nov - Thu, 26 Nov
Air France Logo
19:25 - 10:20DUB  Dublin-RNS Rennes St Jacques
13h 55m1 stop Paris Charles de Gaulle
Air France Logo
10:35 - 22:55RNS  Rennes St Jacques-DUB Dublin
13h 20m2 stops Lyon-Saint Exupéry Paris Charles de Gaulle
€194Air France
Booking Insights

Price, demand, and travel trends for Dublin to Rennes flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Dublin to Rennes?

KLM (€175) and Air France (€184) are the cheapest airlines to fly return from Dublin to Rennes according to KAYAK data over the last 5 days.

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Key details for Dublin to Rennes flights

Low season

May

Cheapest flight

€68
Beat the crowds with an average 69% drop in travellers.
The most popular month to fly with an average 10% increase in travellers.
One-way flight from Dublin to Rennes

When to book flights from Dublin to Rennes

Are your dates flexible? Find out the best times to travel from Dublin to Rennes based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Dublin to Rennes flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Dublin to Rennes?

    Only Economy class is available on flights from Dublin to Rennes.

  • How long is a flight from Dublin to Rennes?

    There are currently no direct flights available from Dublin to Rennes. Flights with 1 stopover take between 4h 32m and 6h 28m in total, depending on the connection.

  • Do I need a passport to fly from Dublin to Rennes?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Dublin to Rennes flight?

    Return flights from Dublin to Rennes range from €187 to €342, with an average of €279 over the past 12 months. Anything below €187 counts as a good deal.

  • How much can I save by having a stopover when flying from Dublin to Rennes?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €227 return via London Gatwick (LGW), compared with €414 for direct.

  • Have flight prices from Dublin to Rennes changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €161 to €640. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Dublin to Rennes looking right now?

    One-way fares from Dublin to Rennes are currently lower than usual. Average one-way flight prices are about €97, which is 50% below the typical average for this route.

  • Which car hire options are available at Rennes St Jacques Airport (RNS)?

    Rennes St Jacques Airport (RNS) hosts 5 major car hire companies, with daily rates averaging €51 for economy cars. Top options include:

    • Rentscape
    • Avis
    • Alamo
    • Enterprise Rent-A-Car
    • Europcar

  • Which airports can I use when flying from Dublin to Rennes?

    Flights from Dublin to Rennes usually depart from Dublin (DUB) and arrive at Rennes St Jacques (RNS).

  • Which airports do connecting flights from Dublin to Rennes pass through?

    Connecting flights from Dublin to Rennes most commonly pass through:

    • Amsterdam Schiphol (AMS) – 83% of one-stop connections
    • London Gatwick (LGW) – 17% of one-stop connections

  • Can I save money by using flexible dates for flights from Dublin to Rennes?

    Yes. Flexible dates can save you up to 55% on flights from Dublin to Rennes. Wednesday is the cheapest departure day at €186 return on average, while Saturday is the most expensive at €414, a difference of €227.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Dublin to Rennes?

    Flying via London Gatwick (LGW) gives the shortest average 1-stop total travel time of 4h 32m, compared to 6h 28m via Amsterdam Schiphol (AMS).

  • What is the time difference between Dublin and Rennes?

    Rennes is 1 hour ahead of Dublin (Central European Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Dublin to Rennes flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average €186, about €227 less than Saturday fares (55% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Dublin to Rennes trip for March. Fares historically average €186 return in that month – typically €236 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through London Gatwick Airport (LGW) can be cheaper than flying direct. The cheapest stopover option averages €227 return on this route – about €186 less than direct flights (based on the last 12 months).

More options for your flight from Dublin to Rennes

Complete your trip to Rennes with a hotel stay or car hire

Car hire in Rennes
Hotels in Rennes